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Heart|Lab Grown|IGI

1.86ct H VS1 Heart Lab Grown Diamond

EX • H/VS1 • IGI LG537225159

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG537225159

Diamond specifications and retailer prices

From £247 GBP
$331 USD
As of November 2, 2026
Save £981 GBP (80%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £1,228 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.86ct lab-grown heart diamond

This 1.86ct lab-grown heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG537225159 or 537225159. Listed at 27 retailers as of November 1, 2026, with prices from £247 to £1,228, a £981 spread on the same certified stone. MOH London lists it at £1,228. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537225159
Dimensions7.94 × 8.60 × 4.94 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.94 mm8.60 mm1.86 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537225159
Side View
Table 57.5%Crown 36.1°Girdle: THN-MEDPavilion 39.7°Culet: NoneDepth 57.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £1,228 GBP|Low: £197 GBP|High: £1,244 GBP|Avg: £672 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 14£277 GBP
Retailer 9£307 GBP
Retailer 6£334 GBP
Retailer 7£463 GBP
Retailer 11£496 GBP
Retailer 13£508 GBP
Retailer 2£529 GBP
Retailer 3£555 GBP
Retailer 8£719 GBP
Retailer 10£899 GBP
Retailer 12£981 GBP
Retailer 4£1,018 GBP
Retailer 5£1,203 GBP
MOH London£1,228 GBP

25 data points across 14 retailers

27 retailers£247 GBP to £1,228 GBP

Retailer 1
-
£237 GBP
$318 USD
Price last confirmed 31 days ago
Retailer 2
-
£247 GBP
$331 USD
View
Price last confirmed 24 days ago
A
Retailer 3
-
£247 GBP
$331 USD
View
A
Retailer 4
-
£277 GBP
$371 USD
View
Final sale: no returns
Retailer 5
-
£287 GBP
$384 USD
View
Price last confirmed 12 days ago
Retailer 6
-
£302 GBP
$405 USD
View
Price last confirmed 38 days ago
Retailer 7
-
£307 GBP
$411 USD
View
Price last confirmed 20 days ago
Retailer 8
-
£307 GBP
$411 USD
View
Price last confirmed 24 days ago
Retailer 9
-
£307 GBP
$411 USD
View
Price last confirmed 8 days ago
Retailer 10
-
£307 GBP
$411 USD
View
Price last confirmed 30 days ago
Retailer 11
-
£307 GBP
$411 USD
View
Price last confirmed 13 days ago
Retailer 12
-
£307 GBP
$411 USD
View
Price last confirmed 7 days ago
A
Retailer 13
-
£334 GBP
HK$3,500 HKD
View
A
Retailer 14
-
£463 GBP
$620 USD
View
A
Retailer 15
-
£496 GBP
$664 USD
View
A
Retailer 16
-
£508 GBP
$681 USD
View
A
Retailer 17
-
£529 GBP
ZAR 11,443 ZAR
View
B+
Retailer 18
-
£555 GBP
$744 USD
View
Retailer 19
-
£719 GBP
A$1,483 AUD
View
Price last confirmed 7 days ago
Retailer 20
-
£899 GBP
$1,205 USD
View
Price last confirmed 7 days ago
B
Retailer 21
-
£981 GBP
SGD 1,776 SGD
View
Retailer 22
-
£985 GBP
$1,320 USD
View
Price last confirmed 25 days ago
Retailer 23
-
£985 GBP
$1,320 USD
View
Price last confirmed 20 days ago
Retailer 24
-
£985 GBP
$1,320 USD
View
Price last confirmed 7 days ago
B
Retailer 25
-
£1,018 GBP
$1,364 USD
View
B
Retailer 26
-
£1,203 GBP
$1,612 USD
View
Most Expensive
B
MOH London
LG537225159 · Nov 1
£1,228 GBP
View
26 more retailers have this diamond
Prices start from £247 GBPSave up to £981 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.86ct Heart
£247 GBP